CN106086907A - A kind of Pretreatment Technology Before Finishing of band pickling process - Google Patents
A kind of Pretreatment Technology Before Finishing of band pickling process Download PDFInfo
- Publication number
- CN106086907A CN106086907A CN201610742796.7A CN201610742796A CN106086907A CN 106086907 A CN106086907 A CN 106086907A CN 201610742796 A CN201610742796 A CN 201610742796A CN 106086907 A CN106086907 A CN 106086907A
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- CN
- China
- Prior art keywords
- rust
- washing
- workpiece
- pure water
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/085—Iron or steel solutions containing HNO3
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/061—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors nitrogen-containing compounds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention relates to the steel and iron parts vitrification Pretreatment Technology Before Finishing technical field of band pickling, be specifically related to the Pretreatment Technology Before Finishing of a kind of band pickling process.Sequentially pass through defat, washing, acid pickling and rust removing, wash, the operation such as the slow release that eliminates rust processes, washing, vitrification or silane treatment.Rust cleaning slow releasing agent is by organic monoacid 0.01 20 parts, wetting agent 0.001 10 parts, Imidazoline Quatemary-ammonium-salt Corrosion Inhibitor 0.001 20 parts and complements to the pure water of 100 parts and makes.Organic monoacid, wetting agent are added to the pure water of half amount, stirring mixing；It is subsequently added into second half pure water, then stirs mixing, be eventually adding Imidazoline Quatemary-ammonium-salt Corrosion Inhibitor, stirring mixing.The present invention is to eliminate the adverse effect that secondary rust causes, and adds one new rust cleaning operation, and is equipped with the slow releasing agent that eliminates rust accordingly, and the rust cleaning slow releasing agent used has rust cleaning and slow releasing function concurrently, is difficult to return rust, then improves production efficiency after making workpiece rust cleaning.
Description
Technical field
The present invention relates to the steel and iron parts vitrification Pretreatment Technology Before Finishing technical field of band pickling, be specifically related to a kind of band acid
Wash the Pretreatment Technology Before Finishing of operation.
Background technology
In current Coating Pretreatment processing technique, vitrified agent, silane etc. progressively replace conventional phosphatizing, but vitrification or silane
Processing and require the highest to the apparent condition of workpiece before treatment, such as cleanliness factor is high, rustless (includes the stealthy corruption being difficult to estimate
Erosion), especially for band rust steel and iron parts need to after acid pickling and rust removing vitrification or silane treatment again, often before vitrification or silane treatment
The most secondary rust, this biggest adverse effect just caused vitrification or silane treatment, be difficult to process the most at all.
Summary of the invention
It is an object of the invention to provide the Pretreatment Technology Before Finishing of a kind of band pickling process, the rust cleaning slow releasing agent used
Have rust cleaning and slow releasing function concurrently, be difficult to return rust, do not affect vitrification or silane treatment after making workpiece rust cleaning.
For achieving the above object, present invention employs techniques below scheme:
A kind of Pretreatment Technology Before Finishing of band pickling process, step is as follows:
1., defat: workpiece enters degreasing bath and carries out defat, and skimming temp is 45-70 DEG C, and the time is 1-10min, and basicity is
9-13pt；
2., washing: the workpiece of defat enters clear water reserviors washing, and water quality requirement is that tap water dustiness is less than 1.0, temperature
For room temperature, washing time is 1-10min；
3., acid pickling and rust removing: the workpiece through washing carries out acid pickling and rust removing, concentration of nitric acid 0.05mol/L, and the process time is 5-
10min；
4., washing: being embathed in the workpiece processed through acid pickling and rust removing entrance pure water pond, pure water water quality requirement is that electrical conductivity is
≤ 50 μ S/, embathing temperature is room temperature, and scavenging period is 1-10min；
5., rust cleaning slow release processes: through water washed workpiece, entering treatment trough and embathe, embathing temperature is room temperature, embathes the time
For 1-5min；Rust cleaning slow releasing agent it is provided with in treatment trough；
6., washing: the workpiece through rust cleaning slow release enters ultrafiltration spray room spraying-rinsing, and water quality requirement is that ultrafiltration water power is led
Rate is≤60 μ S/, and temperature is room temperature, and spray time is 1-10min；
7., vitrification or silane treatment: the workpiece through washing carries out vitrification or silane treatment；
8., washing: the workpiece through vitrification or silane treatment being entered pure water pond and embathes, pure water water quality requirement is electrical conductivity
For≤50 μ S/, embathing temperature is room temperature, and scavenging period is 1-10min；
9., dry and application: the workpiece through washing enters drying chamber and dries, and repastes dress powdery paints or paint,
If electrophoretic paint then directly enters electrophoresis tank electrophoretic painting without drying.
Described step 5. in rust cleaning slow releasing agent be made up of the raw material of following weight portion:
Preferably, described organic monoacid is selected from citric acid, oxalic acid, poly, sulfamic acid, polyacrylic acid, organic
One or more in phosphonic acids.Described wetting agent is selected from isomeric alcohol polyethenoxy ether.
Described step 5. in rust cleaning slow releasing agent preparation method:
Organic monoacid, wetting agent are added to the pure water of half amount, stirring mixing 5-15min；It is subsequently added into second half
Pure water, then stirring mixing 5-10min, is eventually adding Imidazoline Quatemary-ammonium-salt Corrosion Inhibitor, and stirring mixing 5-20min is eliminated rust
Slow releasing agent.
Beneficial effects of the present invention shows:
The present invention is to eliminate the adverse effect that secondary rust causes, and adds one new rust cleaning operation, and is equipped with phase
The rust cleaning slow releasing agent answered, the rust cleaning slow releasing agent used has rust cleaning and slow releasing function concurrently, is difficult to return rust, then after making workpiece rust cleaning
Improve production efficiency.
Detailed description of the invention
Below with reference to embodiment, the present invention is described in detail.But, embodiment content is only to this
Bright example and explanation, described specific embodiment is done various repairing by affiliated those skilled in the art
Change or supplement or use similar mode to substitute, without departing from the design of invention or surmount defined in the claims
Scope, all should belong to protection scope of the present invention.
Embodiment 1
A kind of Pretreatment Technology Before Finishing of band pickling process, step is as follows:
1., defat: workpiece enters degreasing bath and carries out defat, and skimming temp is 60 DEG C, and the time is 5min, and basicity is 10pt；
2., washing: the workpiece of defat enters clear water reserviors washing, and water quality requirement is that tap water dustiness is less than 1.0, temperature
For room temperature, washing time is 5min；
3., acid pickling and rust removing: the workpiece through washing carries out acid pickling and rust removing, concentration of nitric acid 0.05mol/L, and the process time is
8min；
4., washing: being embathed in the workpiece processed through acid pickling and rust removing entrance pure water pond, pure water water quality requirement is that electrical conductivity is
≤ 50 μ S/, embathing temperature is room temperature, and scavenging period is 5min；
5., rust cleaning slow release processes: through water washed workpiece, entering treatment trough and embathe, embathing temperature is room temperature, embathes the time
For 3min；Rust cleaning slow releasing agent, the preparation method of rust cleaning slow releasing agent: by 3.5 parts of citric acids, 0.02 part of isomery alcohol it is provided with in treatment trough
Polyoxyethylene ether adds to the pure water of half amount, stirring mixing 10min；Being subsequently added into second half pure water, then stirring is mixed
Closing 5min, be eventually adding 0.5 part of Imidazoline Quatemary-ammonium-salt Corrosion Inhibitor, stirring mixing 15min obtains the slow releasing agent that eliminates rust.
6., washing: the workpiece through rust cleaning slow release enters ultrafiltration spray room spraying-rinsing, and water quality requirement is that ultrafiltration water power is led
Rate is≤60 μ S/, and temperature is room temperature, and spray time is 5min；
7., vitrification or silane treatment: the workpiece through washing carries out vitrification or silane treatment；
8., washing: the workpiece through vitrification or silane treatment being entered pure water pond and embathes, pure water water quality requirement is electrical conductivity
For≤50 μ S/, embathing temperature is room temperature, and scavenging period is 5min；
9., dry and application: the workpiece through washing enters drying chamber and dries, and repastes dress powdery paints or paint,
If electrophoretic paint then directly enters electrophoresis tank electrophoretic painting without drying.
Embodiment 2
A kind of Pretreatment Technology Before Finishing of band pickling process, step is as follows:
1., defat: workpiece enters degreasing bath and carries out defat, and skimming temp is 50 DEG C, and the time is 3min, and basicity is 12pt；
2., washing: the workpiece of defat enters clear water reserviors washing, and water quality requirement is that tap water dustiness is less than 1.0, temperature
For room temperature, washing time is 3min；
3., acid pickling and rust removing: the workpiece through washing carries out acid pickling and rust removing, concentration of nitric acid 0.05mol/L, and the process time is
5min；
4., washing: being embathed in the workpiece processed through acid pickling and rust removing entrance pure water pond, pure water water quality requirement is that electrical conductivity is
≤ 50 μ S/, embathing temperature is room temperature, and scavenging period is 3min；
5., rust cleaning slow release processes: through water washed workpiece, entering treatment trough and embathe, embathing temperature is room temperature, embathes the time
For 2min；Rust cleaning slow releasing agent, the preparation method of rust cleaning slow releasing agent: by 0.15 part of polyacrylic acid, 0.2 part of isomery it is provided with in treatment trough
Polyoxyethylenated alcohol adds to the pure water of half amount, stirring mixing 5min；Being subsequently added into second half pure water, then stirring is mixed
Closing 6min, be eventually adding 0.05 part of Imidazoline Quatemary-ammonium-salt Corrosion Inhibitor, stirring mixing 20min obtains the slow releasing agent that eliminates rust.
6., washing: the workpiece through rust cleaning slow release enters ultrafiltration spray room spraying-rinsing, and water quality requirement is that ultrafiltration water power is led
Rate is≤60 μ S/, and temperature is room temperature, and spray time is 8min；
7., vitrification or silane treatment: the workpiece through washing carries out vitrification or silane treatment；
8., washing: the workpiece through vitrification or silane treatment being entered pure water pond and embathes, pure water water quality requirement is electrical conductivity
For≤50 μ S/, embathing temperature is room temperature, and scavenging period is 5min；
9., dry and application: the workpiece through washing enters drying chamber and dries, and repastes dress powdery paints or paint,
If electrophoretic paint then directly enters electrophoresis tank electrophoretic painting without drying.
Claims (5)
1. the Pretreatment Technology Before Finishing of a band pickling process, it is characterised in that step is as follows:
1., defat: workpiece enters degreasing bath and carries out defat, and skimming temp is 45-70 DEG C, and the time is 1-10min, and basicity is 9-
13pt；
2., washing: the workpiece of defat enters clear water reserviors washing, and water quality requirement is that tap water dustiness is less than 1.0, and temperature is room
Temperature, washing time is 1-10min；
3., acid pickling and rust removing: the workpiece through washing carries out acid pickling and rust removing, concentration of nitric acid 0.05mol/L, and the process time is 5-
10min；
4., washing: by the workpiece processed through acid pickling and rust removing enter pure water pond embathe, pure water water quality requirement be electrical conductivity be≤50
μ S/, embathing temperature is room temperature, and scavenging period is 1-10min；
5., rust cleaning slow release processes: through water washed workpiece, entering treatment trough and embathe, embathing temperature is room temperature, and the time of embathing is 1-
5min；Rust cleaning slow releasing agent it is provided with in treatment trough；
6., washing: the workpiece through rust cleaning slow release enters ultrafiltration spray room spraying-rinsing, and water quality requirement is that ultrafiltration water conductivity is
≤ 60 μ S/, temperature is room temperature, and spray time is 1-10min；
7., vitrification or silane treatment: the workpiece through washing carries out vitrification or silane treatment；
8., washing: by through vitrification or silane treatment workpiece enter pure water pond embathe, pure water water quality requirement be electrical conductivity be≤
50 μ S/, embathing temperature is room temperature, and scavenging period is 1-10min；
9., dry and application: the workpiece through washing enters drying chamber and dries, and repastes dress powdery paints or paint, if
It is that electrophoretic paint then directly enters electrophoresis tank electrophoretic painting without drying.
2. the Pretreatment Technology Before Finishing of band pickling process as claimed in claim 1, it is characterised in that: described step 5. in remove
Rust slow releasing agent is made up of the raw material of following weight portion:
3. the Pretreatment Technology Before Finishing of band pickling process as claimed in claim 2, it is characterised in that described organic monoacid choosing
One or more in citric acid, oxalic acid, poly, sulfamic acid, polyacrylic acid, organic phospho acid.
4. the Pretreatment Technology Before Finishing of band pickling process as claimed in claim 2, it is characterised in that described wetting agent is selected from
Isomeric alcohol polyethenoxy ether.
5. the Pretreatment Technology Before Finishing of band pickling process as claimed in claim 2, it is characterised in that: described step 5. in remove
The preparation method of rust slow releasing agent:
Organic monoacid, wetting agent are added to the pure water of half amount, stirring mixing 5-15min；It is subsequently added into the pure of second half
Water, then stirring mixing 5-10min, be eventually adding Imidazoline Quatemary-ammonium-salt Corrosion Inhibitor, and stirring mixing 5-20min obtains the slow release that eliminates rust
Agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742796.7A CN106086907A (en) | 2016-08-27 | 2016-08-27 | A kind of Pretreatment Technology Before Finishing of band pickling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742796.7A CN106086907A (en) | 2016-08-27 | 2016-08-27 | A kind of Pretreatment Technology Before Finishing of band pickling process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106086907A true CN106086907A (en) | 2016-11-09 |
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ID=57226322
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| CN201610742796.7A Pending CN106086907A (en) | 2016-08-27 | 2016-08-27 | A kind of Pretreatment Technology Before Finishing of band pickling process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835162A (en) * | 2017-02-14 | 2017-06-13 | 江苏广通管业制造有限公司 | A kind of sweep-out method of stainless steel surfaces rusty stain |
| CN106868516A (en) * | 2017-01-24 | 2017-06-20 | 安徽华晟涂料有限公司 | A kind of preparation method of Coating Pretreatment agent |
| CN106868517A (en) * | 2017-01-24 | 2017-06-20 | 安徽华晟涂料有限公司 | A kind of Coating Pretreatment agent |
| CN109295491A (en) * | 2018-11-08 | 2019-02-01 | 天津磊峰实业有限公司 | A kind of pretreatment process for electrophoresis coating |
| CN110142192A (en) * | 2019-06-06 | 2019-08-20 | 甘肃路桥新锐交通科技有限责任公司 | The two-in-one composite coating spraying method of highway guard rail upright post, corrugated guardrail plate |
| CN110644035A (en) * | 2019-08-21 | 2020-01-03 | 徐州东坤耐磨材料有限公司 | Surface treatment process for water pump impeller |
| CN114836742A (en) * | 2022-05-06 | 2022-08-02 | 天津富士达体育用品有限公司 | Novel ceramic surface treatment process |
| CN115110074A (en) * | 2022-07-14 | 2022-09-27 | 佛山市海明威生态科技股份有限公司 | Nano zirconate conversion coating process for rusted plate |
| CN115121455A (en) * | 2022-07-18 | 2022-09-30 | 河北宏泰专用汽车有限公司 | Mixed powder spraying line |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106868516A (en) * | 2017-01-24 | 2017-06-20 | 安徽华晟涂料有限公司 | A kind of preparation method of Coating Pretreatment agent |
| CN106868517A (en) * | 2017-01-24 | 2017-06-20 | 安徽华晟涂料有限公司 | A kind of Coating Pretreatment agent |
| CN106835162A (en) * | 2017-02-14 | 2017-06-13 | 江苏广通管业制造有限公司 | A kind of sweep-out method of stainless steel surfaces rusty stain |
| CN106835162B (en) * | 2017-02-14 | 2020-05-08 | 江苏金环球建设有限公司 | Method for removing stainless steel surface rust |
| CN109295491A (en) * | 2018-11-08 | 2019-02-01 | 天津磊峰实业有限公司 | A kind of pretreatment process for electrophoresis coating |
| CN110142192A (en) * | 2019-06-06 | 2019-08-20 | 甘肃路桥新锐交通科技有限责任公司 | The two-in-one composite coating spraying method of highway guard rail upright post, corrugated guardrail plate |
| CN110644035A (en) * | 2019-08-21 | 2020-01-03 | 徐州东坤耐磨材料有限公司 | Surface treatment process for water pump impeller |
| CN114836742A (en) * | 2022-05-06 | 2022-08-02 | 天津富士达体育用品有限公司 | Novel ceramic surface treatment process |
| CN115110074A (en) * | 2022-07-14 | 2022-09-27 | 佛山市海明威生态科技股份有限公司 | Nano zirconate conversion coating process for rusted plate |
| CN115121455A (en) * | 2022-07-18 | 2022-09-30 | 河北宏泰专用汽车有限公司 | Mixed powder spraying line |
| CN115121455B (en) * | 2022-07-18 | 2024-05-24 | 河北宏泰专用汽车有限公司 | Mixed powder spraying line |
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Application publication date: 20161109 |